Analysis by: Christopher Daniel So
 Modified by: Nice Yutuc
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This backdoor arrives as a component bundled with malware/grayware packages.

  TECHNICAL DETAILS

File Size: 32,768 bytes
File Type: DLL
Initial Samples Received Date: 18 Jan 2012

Arrival Details

This backdoor arrives as a component bundled with malware/grayware packages.

NOTES:

This is a DLL component of BKDR_HORMESU malware family that uses components to install itself on the affected system in order to perform its backdoor routines and payloads.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 8.716.05
FIRST VSAPI PATTERN DATE: 18 Jan 2012
VSAPI OPR PATTERN File: 8.717.00
VSAPI OPR PATTERN Date: 19 Jan 2012

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Scan your computer with your Trend Micro product to delete files detected as BKDR_HORMESU.AB. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


Did this description help? Tell us how we did.